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Finding the Third Proportional to 20,104 and 46,485

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Solution

The third proportional to 20,104 and 46,485 is: 107,483.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,104 : 46,485 = 46,485 : x
  2. Step 2: Convert to fraction form
    20,104/46,485 = 46,485/x
  3. Step 3: Cross multiply
    20,104x = 46,485 × 46,485
  4. Step 4: Simplify right side
    20,104x = 2,160,855,225
  5. Step 5: Solve for x
    x = 2,160,855,225/20,104
  6. Step 6: Final answer
    x = 107,483.85

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.